Cristina is giving a lecture about her 3D-printed conduit — full of medical-babble, of course — and taking questions from the audience.

"I have a question," says someone in a shadowy, high row of the auditorium.

Cristina turns, clearly recognizing the voice, but then composes herself — perhaps not believing that her ex-fiancé could be so theatrical.

"Yes?"

Shadow-Burke then asks a series of clarifying questions about Cristina's conduit, saying phrases like "obviating the need for serial operations."

Yeah, OK, buddy. You know your SAT vocab. We get it. And there are, like, 27 less-pretentious ways you could have said that.

And really, did ya need to spend that much time in the shadows? Did ya need to rise and walk down the steps so agonizingly slowly? You even nod at the end of the clip, as if to say, "That's right. I'm back."